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Inches to Centimeters converter

Convert in to cm instantly. Type any value and get the result in centimeters. 1 in = 2.54 cm.

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Length›in → cm
From
To
result below ↓
1 in=
2.54cm
formula1 in = 2.54 cm

Common inches → centimeters

=2.54 cm
=5.08 cm
=12.7 cm
=25.4 cm
=50.8 cm
=127 cm
=254 cm
=1,270 cm
=2,540 cm

Need a different value? .

Convert the other way
Centimeters to Inches

How to convert inches to centimeters

To convert inches to centimeters, multiply the value by 2.54.

Formula
cm = in × 2.54

For example:

  • →5 in = 12.7 cm
  • →100 in = 254 cm

Quick reference

  • ▸1 in = 2.54 cm
  • ▸1 cm = 0.393701 in
  • ▸Mental math: Multiply inches by 2.5 — same trick in reverse.

When you need to convert in to cm

  • ·Clothing measurements — shirt length, pant inseam, fabric width.
  • ·Height conversion — converting your height between metric and imperial systems.
  • ·TV and monitor screen sizes — almost always quoted in inches.
  • ·Paper sizes — A4 vs US Letter, photo print dimensions.
  • ·Travel — reading road signs and distances abroad.

Frequently asked

How many centimeters are in 1 inche?
One inche equals 2.54 centimeters.
How do I convert in to cm in my head?
Multiply inches by 2.5 — same trick in reverse.
What is the formula for inches to centimeters?
cm = in × 2.54.
What is the reverse — how many inches in 1 centimeter?
One centimeter equals 0.393701 inches.

Related conversions

Centimeters to Inches
1 cm = 0.393701 in
Inches to Millimeters
1 in = 25.4 mm
Inches to Meters
1 in = 0.0254 m
Inches to Kilometers
1 in = 2.5400e-5 km
Millimeters to Centimeters
1 mm = 0.1 cm
Meters to Centimeters
1 m = 100 cm
Kilometers to Centimeters
1 km = 100,000 cm
Feet to Centimeters
1 ft = 30.48 cm
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